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-rw-r--r--youtube_dl/extractor/youtube.py22
1 files changed, 22 insertions, 0 deletions
diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index b8219a0ad..173f5a2d8 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -3060,6 +3060,24 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
try_get(owner, lambda x: x['navigationEndpoint']['browseEndpoint']['canonicalBaseUrl'], compat_str))
return uploader
+ @staticmethod
+ def _extract_alert(data):
+ alerts = []
+ for alert in try_get(data, lambda x: x['alerts'], list) or []:
+ if not isinstance(alert, dict):
+ continue
+ alert_text = try_get(
+ alert, lambda x: x['alertRenderer']['text'], dict)
+ if not alert_text:
+ continue
+ text = try_get(
+ alert_text,
+ (lambda x: x['simpleText'], lambda x: x['runs'][0]['text']),
+ compat_str)
+ if text:
+ alerts.append(text)
+ return '\n'.join(alerts)
+
def _extract_from_tabs(self, item_id, webpage, data, tabs, identity_token):
selected_tab = self._extract_selected_tab(tabs)
renderer = try_get(
@@ -3127,6 +3145,10 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
compat_str) or video_id
if video_id:
return self.url_result(video_id, ie=YoutubeIE.ie_key(), video_id=video_id)
+ # Capture and output alerts
+ alert = self._extract_alert(data)
+ if alert:
+ raise ExtractorError(alert, expected=True)
# Failed to recognize
raise ExtractorError('Unable to recognize tab page')